# NTSB NYC85FNA01: Gulfstream AA-5B, N4523B, Boxborough, MA, June 1, 1985

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: June 1, 1985, 17:15 local (21:15 UTC)
- Place: Boxborough, MA
- Location: 42.5025° N, 71.5038° W: Placed by OpenAirDocs from NTSB’s distance and direction from MINUTE MAN AIR FLD (6B6), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5025&lon=-71.5038&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35612
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC85FNA01
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35612/pdf
- Page: https://openairdocs.org/ntsb/NYC85FNA01

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - in flight, go-around (vfr)
  - terrain condition - high vegetation
  - in-flight planning/decision - inadequate, pilot in command (contributing factor)
  - lack of total experience in type operation, pilot in command (contributing factor)
  - weather condition - gusts (contributing factor)
  - compensation for wind conditions - inadequate, pilot in command (contributing factor)
  - light condition - daylight
  - judgment - poor, pilot in command (contributing factor)
  - stall/spin - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PILOT MADE SIX ATTEMPTS AT LANDING WITH A LEFT CROSSWIND OF 24 KNOTS. ON THE LAST ATTEMPT HE WAS OBSERVED TO LOSE CONTROL AND CRASH INTO THE TREES OFF HE DEPARTURE END OF THE RUNWAY. THE AIRCRAFT BURNDED AND THE PILOT RECEIVED SERIOUS INJURIES.

## Aircraft

- Registration: [N4523B](https://openairdocs.org/deregistered/N4523B-2012-11-29), registration cancelled 2012-11-29, S/N AA5B1090, built 1979 (OpenAirDocs)
- Reported make and model: GULFSTREAM AA-5B
- Registry model: [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b) (registry code 3970106) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: AA5B1090
- Airframe hours: 353
- Engines: LYCOMING O-360-AAK 180 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Registered owner: Gary A. Marple
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, May 2, 1985, 47 hours before
- Departed: 06G, YOUNGSTOWN, OH
- Destination: 6B6, STOW/MINUTEMAN, MA
- Airport: 6B6, Stow Minute Man, runway 3, 2,770 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 110 total, 38 in this make and model, 110 as pilot in command, 37 in the last 90 days, 37 in the last 30 days, 11 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 310° at 12 knots, gusting 24
- Visibility: 10 statute miles
- Lowest ceiling: 6,000 ft broken
- Temperature: 79 °F, dew point 55 °F
- Altimeter: 29.00 inHg
- Observed at: BED, 10 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19850601021949A](https://openairdocs.org/incident/19850601021949A), Jun 1, 1985: Gulstm AA5B, Boxborough, MA, Destroyed. Stalled and spun into trees during go around number 7. Landing was being attempted in gusty crosswind condition.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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